(19)
(11) EP 1 531 450 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
25.04.2007 Bulletin 2007/17

(43) Date of publication A2:
18.05.2005 Bulletin 2005/20

(21) Application number: 04090399.9

(22) Date of filing: 18.10.2004
(51) International Patent Classification (IPC): 
G09G 3/22(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL HR LT LV MK

(30) Priority: 14.11.2003 KR 2003080739

(71) Applicant: Samsung SDI Co., Ltd.
Suwon-si, Gyeonggi-do (KR)

(72) Inventor:
  • Kwak, Won-Kyu, c/o Samsung SDI Co. Ltd.
    Suwon-si Gyeonggi-do (KR)

(74) Representative: Hengelhaupt, Jürgen et al
Anwaltskanzlei Gulde Hengelhaupt Ziebig & Schneider Wallstrasse 58/59
10179 Berlin
10179 Berlin (DE)

   


(54) Organic electroluminescent display device and driving method thereof


(57) A pixel circuit of a display device for emitting a certain color during a display time period, the pixel circuit including at least two light emitting elements, each said light emitting element for emitting a corresponding one of colors during the display time period. An active element is commonly connected to the at least two light emitting elements to drive the at least two light emitting elements in response to at least one emission control signal. The active element drives in a time-divisional fashion the at least two light emitting elements using the at least one emission control signal during the display time subperiod of the display time period. The at least two light emitting elements realize the certain color in the display time period by emitting in a time-divisional fashion the corresponding ones of the colors, one of the corresponding ones of the colors being emitted during each display time, subperiod.







Search report